Sandra Wallach
CIK 1698362 · View on SEC EDGAR ↗
Insider
First SEC filing: May 10, 2021 · Latest: May 10, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 46 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 14, 2022 | AMPX | A | 145,590 | — | — | 145,590 Direct | — | Acquired | (price as of 2026-08-19) |
| Sept. 14, 2022 | AMPX | A | 582,360 | — | — | 582,360 Direct | — | Acquired | (price as of 2026-08-19) |
| Aug. 2, 2021 | INVE | F | 136 | — | — | 106,544 Direct | -0.13% | Disposed | (price as of 2026-08-19) |
| Aug. 2, 2021 | INVE | A | 393 | — | — | 106,680 Direct | +0.37% | Acquired | (price as of 2026-08-19) |
| July 30, 2021 | INVE | F | 541 | — | — | 106,287 Direct | -0.51% | Disposed | (price as of 2026-08-19) |
| July 1, 2021 | INVE | F | 865 | — | — | 106,828 Direct | -0.80% | Disposed | (price as of 2026-08-19) |
| May 5, 2021 | INVE | F | 70 | — | — | 107,693 Direct | -0.06% | Disposed | (price as of 2026-08-19) |
| May 5, 2021 | INVE | A | 201 | — | — | 107,763 Direct | +0.19% | Acquired | (price as of 2026-08-19) |
| April 30, 2021 | INVE | F | 541 | — | — | 107,562 Direct | -0.50% | Disposed | (price as of 2026-08-19) |
| April 1, 2021 | INVE | F | 861 | — | — | 108,103 Direct | -0.79% | Disposed | (price as of 2026-08-19) |
| March 2, 2021 | INVE | F | 84 | — | — | 108,964 Direct | -0.08% | Disposed | (price as of 2026-08-19) |
| March 2, 2021 | INVE | A | 248 | — | — | 109,048 Direct | +0.23% | Acquired | (price as of 2026-08-19) |
| Feb. 12, 2021 | INVE | F | 2,245 | $12.85 | $28,848 | 108,800 Direct | -2.02% | Disposed | -77.9% (price as of 2026-08-19) |
| Feb. 1, 2021 | INVE | F | 642 | $8.41 | $5,399 | 111,045 Direct | -0.57% | Disposed | -66.2% (price as of 2026-08-19) |
| Dec. 31, 2020 | INVE | F | 1,028 | $8.50 | $8,738 | 111,687 Direct | -0.91% | Disposed | -66.6% (price as of 2026-08-19) |
| Nov. 13, 2020 | INVE | F | 1,946 | $6.72 | $13,077 | 112,715 Direct | -1.70% | Disposed | -57.7% (price as of 2026-08-19) |
| Nov. 2, 2020 | INVE | F | 172 | — | — | 114,661 Direct | -0.15% | Disposed | (price as of 2026-08-19) |
| Nov. 2, 2020 | INVE | A | 496 | — | — | 114,833 Direct | +0.43% | Acquired | (price as of 2026-08-19) |
| Oct. 30, 2020 | INVE | F | 1,838 | $6.53 | $12,002 | 114,337 Direct | -1.58% | Disposed | -56.5% (price as of 2026-08-19) |
| Oct. 1, 2020 | INVE | F | 865 | $6.06 | $5,242 | 116,175 Direct | -0.74% | Disposed | -53.1% (price as of 2026-08-19) |
| Aug. 14, 2020 | INVE | F | 1,945 | $5.21 | $10,133 | 117,040 Direct | -1.63% | Disposed | -45.5% (price as of 2026-08-19) |
| Aug. 4, 2020 | INVE | A | 216 | — | — | 118,985 Direct | -0.18% | Disposed | (price as of 2026-08-19) |
| Aug. 4, 2020 | INVE | A | 626 | — | — | 119,201 Direct | +0.53% | Acquired | (price as of 2026-08-19) |
| July 31, 2020 | INVE | F | 108 | $5.12 | $553 | 118,575 Direct | -0.09% | Disposed | -44.5% (price as of 2026-08-19) |
| July 1, 2020 | INVE | F | 865 | $4.82 | $4,169 | 118,683 Direct | -0.72% | Disposed | -41.1% (price as of 2026-08-19) |
| May 15, 2020 | INVE | F | 1,895 | $3.90 | $7,390 | 119,548 Direct | -1.56% | Disposed | -27.2% (price as of 2026-08-19) |
| May 1, 2020 | INVE | F | 105 | $2.96 | $311 | 121,443 Direct | -0.09% | Disposed | -4.1% (price as of 2026-08-19) |
| May 1, 2020 | INVE | F | 105 | $2.96 | $311 | 123,443 Direct | -0.08% | Disposed | -4.1% (price as of 2026-08-19) |
| Feb. 14, 2020 | INVE | F | 2,300 | $5.11 | $11,753 | 122,557 Direct | -1.84% | Disposed | -44.4% (price as of 2026-08-19) |
| Jan. 31, 2020 | INVE | F | 128 | $4.74 | $607 | 124,857 Direct | -0.10% | Disposed | -40.1% (price as of 2026-08-19) |
| Dec. 31, 2019 | INVE | F | 1,022 | $5.64 | $5,764 | 124,985 Direct | -0.81% | Disposed | -49.6% (price as of 2026-08-19) |
| Nov. 15, 2019 | INVE | F | 1,945 | $5.07 | $9,861 | 126,007 Direct | -1.52% | Disposed | -44.0% (price as of 2026-08-19) |
| Nov. 4, 2019 | INVE | A | 20,000 | — | — | 127,952 Direct | +18.53% | Acquired | (price as of 2026-08-19) |
| Nov. 1, 2019 | INVE | F | 432 | $4.95 | $2,138 | 107,952 Direct | -0.40% | Disposed | -42.6% (price as of 2026-08-19) |
| Oct. 1, 2019 | INVE | F | 864 | $5.32 | $4,596 | 108,384 Direct | -0.79% | Disposed | -46.6% (price as of 2026-08-19) |
| Aug. 15, 2019 | INVE | F | 1,945 | $5.00 | $9,725 | 109,248 Direct | -1.75% | Disposed | -43.2% (price as of 2026-08-19) |
| July 1, 2019 | INVE | F | 864 | $5.32 | $4,596 | 111,193 Direct | -0.77% | Disposed | -46.6% (price as of 2026-08-19) |
| April 1, 2019 | INVE | F | 3,796 | $4.89 | $18,562 | 113,974 Direct | -3.22% | Disposed | -41.9% (price as of 2026-08-19) |
| Feb. 15, 2019 | INVE | F | 2,299 | $5.00 | $11,495 | 117,770 Direct | -1.91% | Disposed | -43.2% (price as of 2026-08-19) |
| Nov. 15, 2018 | INVE | F | 1,945 | $5.96 | $11,592 | 120,069 Direct | -1.59% | Disposed | -52.3% (price as of 2026-08-19) |
| Oct. 31, 2018 | INVE | A | 5,000 | — | — | 122,014 Direct | +4.27% | Acquired | (price as of 2026-08-19) |
| Aug. 15, 2018 | INVE | F | 1,945 | $6.06 | $11,787 | 117,014 Direct | -1.64% | Disposed | -53.1% (price as of 2026-08-19) |
| May 15, 2018 | INVE | F | 1,906 | $3.72 | $7,090 | 118,959 Direct | -1.58% | Disposed | -23.7% (price as of 2026-08-19) |
| May 9, 2018 | INVE | A | 40,000 | — | — | 120,865 Direct | +49.47% | Acquired | (price as of 2026-08-19) |
| Feb. 15, 2018 | INVE | F | 9,135 | $3.85 | $35,170 | 80,865 Direct | -10.15% | Disposed | -26.2% (price as of 2026-08-19) |
| March 6, 2017 | INVE | A | 90,000 | — | — | 90,000 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Sept. 14, 2022 | AMPX | Stock Option (right to buy) | Common Stock (145,590) | $2.61 | April 13, 2032 | 145,590 | Acquired |
| Sept. 14, 2022 | AMPX | Stock Option (right to buy) | Common Stock (582,360) | $1.78 | Aug. 22, 2031 | 582,360 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2021 | $180,769 | $34,875 | $12,147 | — | — | — | $14,490 | $242,281 |
| 2020 | $300,000 | $6,250 | $6,708 | — | — | — | $23,133 | $336,091 |
| 2018 | $272,500 | $12,500 | $166,050 | — | — | — | $18,583 | $469,633 |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2024 | $451,001 | $293,150 | $2,024,190 | — | — | — | $600 | $2,768,941 |
| 2023 | $373,006 | $242,450 | — | — | — | — | $600 | $616,056 |
| 2022 | $299,998 | $255,756 | — | $232,466 | — | — | $600 | $788,820 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.